S&S CYCLE 310-1225C 129" Power Package for M8 - 550 Chain Drive Oil Cooled Wrinkle Black w/Highlight Fins 107" M8
Manufacturer Part Number: 310-1225C
Drag Part Number: 0904-0166
129" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/Highlight Fins - 107" M8
- Big-bore bolt-on kit increases 107" M8 to 129" with no case machining required
- 4.32" bore cylinders with 11.0:1 compression ratio forged pistons
- S&S oil pump/cam plate with blue anodized finish
- Passage plugs are removable for servicing
- Independent scavenge sections for flywheel cavity and cam chest
- Debris screen in both scavenge pickups
- Magnet in cam chest to help prevent debris from entering the oil pump
- Increased oil flow capacity on both the oil feed and scavenge side
- Adjustable pressure relief valve can be adjusted with the unit installed in the engine
- Quickee pushrods
- S&S premium tappets
- S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
- S&S 550 cams are designed for big bore applications
- S&S valve springs work with cams up to 0.605" lift
- High-performance conical single wire spring design
- All necessary gaskets, bearings and hardware for bolt on installation included
- Made in the USA
- Not for any Trike models.
Note: Discontinued P/Byr
Clearance / Discontinued Item: Limited availability. Please verify fitment before ordering.
Fitment
- 2018 Harley-Davidson FLDE Deluxe 107
- 2018 Harley-Davidson FLFB Fat Boy 107
- 2018 Harley-Davidson FLHC Heritage Classic 107
- 2018 Harley-Davidson FLSB Sport Glide 107
- 2018 Harley-Davidson FLSL Softail Slim 107
- 2018 Harley-Davidson FXBB Street Bob 107
- 2018 Harley-Davidson FXBR Breakout 107
- 2018 Harley-Davidson FXFB Fat Bob 107
- 2018 Harley-Davidson FXLR Low Rider 107
- 2019 Harley-Davidson FLDE Deluxe 107
- 2019 Harley-Davidson FLFB Fat Boy 107
- 2019 Harley-Davidson FLHC Heritage Classic 107
- 2019 Harley-Davidson FLSB Sport Glide 107
- 2019 Harley-Davidson FLSL Softail Slim 107
- 2019 Harley-Davidson FXBB Street Bob 107
- 2019 Harley-Davidson FXBR Breakout 107
- 2019 Harley-Davidson FXFB Fat Bob 107
- 2019 Harley-Davidson FXLR Low Rider 107
- 2020 Harley-Davidson FLDE Deluxe 107
- 2020 Harley-Davidson FLHC Heritage Classic 107
- 2020 Harley-Davidson FLSB Sport Glide 107
- 2020 Harley-Davidson FLSL Softail Slim 107
- 2020 Harley-Davidson FXBB Street Bob 107
- 2020 Harley-Davidson FXLR Low Rider 107
- 2020 Harley-Davidson FXST Softail Standard 107
- 2021 Harley-Davidson FLHC Heritage Classic 107
- 2021 Harley-Davidson FLSB Sport Glide 107
- 2021 Harley-Davidson FLSL Softail Slim 107
- 2021 Harley-Davidson FXST Softail Standard 107
- 2022 Harley-Davidson FLSB Sport Glide 107
- 2022 Harley-Davidson FXST Softail Standard 107
- 2023 Harley-Davidson FLSB Sport Glide 107
- 2023 Harley-Davidson FXST Softail Standard 107
- 2024 Harley-Davidson FLSB Sport Glide 107
- 2024 Harley-Davidson FXST Softail Standard 107
Fitment confidence: DIRECT_HTTP_EXACT_AND_PRODUCT_HIERARCHY_MATCH
129" Power Pack - 550 Chain Drive - Oil Cooled - Wrinkle Black w/Highlight Fins - 107" M8
- Big-bore bolt-on kit increases 107" M8 to 129" with no case machining required
- 4.32" bore cylinders with 11.0:1 compression ratio forged pistons
- S&S oil pump/cam plate with blue anodized finish
- S&S premium tappets
- S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
- S&S 550 cams are designed for big bore applications
- S&S valve springs work with cams up to 0.605" lift
